<template>
    <div>
        <!-- 面包屑导航区~ -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>

        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddPage">添加</el-button>
                </el-col>
            </el-row>

            <!-- table表哥区 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="100px"></el-table-column>
                <el-table-column label="创建时间" prop="add_time" width="180px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dateFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
    </div>
</template>

<script>
    export default {
        data() {
            return {
                // 查询参数的对象
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 10
                },
                // 放获取到的请求的数组。
                goodslist: [],
                // 总数据条数
                total: 0
            }
        },
        created() {
            this.getGoodsList();
        },
        methods: {
            async getGoodsList() {
                // get  请求 才要写params
                const { data: res } = await this.$http.get('goods', { params: this.queryInfo });
                if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
                this.$message.success('获取商品列表成功')
                // console.log(res.data);
                // this.goodslist = res.data;
                this.goodslist = res.data.goods;
                this.total = res.data.total;
                console.log(this.goodslist);


            },
            handleSizeChange(newSize) {
                this.queryInfo.pagesize = newSize;
                this.getGoodsList();
            },
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage;
                this.getGoodsList();
            },

            async removeById(id) {
               const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch( err => err )
                if(confirmResult !=='confirm') return this.$message.info('已经取消删除操作了^_^')
                const {data :res } = await this.$http.delete(`goods/${id}`);
                if(res.meta.status !== 200) return this.$message.error('删除失败')
                this.$message.success('删除成功！wow~ ⊙o⊙')
                this.getGoodsList();
            },
            // 去添加商品的页面
            goAddPage(){
                // 编程式导航，指定去某个页面。
                this.$router.push('/goods/add');
            }

        },
    }
</script>

<style lang="less" scoped>

</style>